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parent
144b7f3386
commit
b2ce7e8d84
2 changed files with 100 additions and 2 deletions
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@ -10,6 +10,7 @@ import (
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"restic/backend/s3"
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"restic/backend/sftp"
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"restic/backend/swift"
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"restic/errors"
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)
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// Location specifies the location of a repository, including the method of
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@ -35,6 +36,36 @@ var parsers = []parser{
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{"rest", rest.ParseConfig},
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}
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func isPath(s string) bool {
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if strings.HasPrefix(s, "../") || strings.HasPrefix(s, `..\`) {
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return true
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}
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if strings.HasPrefix(s, "/") || strings.HasPrefix(s, `\`) {
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return true
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}
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if len(s) < 3 {
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return false
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}
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// check for drive paths
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drive := s[0]
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if !(drive >= 'a' && drive <= 'z') && !(drive >= 'A' && drive <= 'Z') {
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return false
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}
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if s[1] != ':' {
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return false
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}
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if s[2] != '\\' && s[2] != '/' {
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return false
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}
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return true
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}
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// Parse extracts repository location information from the string s. If s
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// starts with a backend name followed by a colon, that backend's Parse()
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// function is called. Otherwise, the local backend is used which interprets s
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@ -56,7 +87,11 @@ func Parse(s string) (u Location, err error) {
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return u, nil
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}
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// try again, with the local parser and the prefix "local:"
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// if s is not a path or contains ":", it's ambiguous
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if !isPath(s) && strings.ContainsRune(s, ':') {
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return Location{}, errors.New("invalid backend\nIf the repo is in a local directory, you need to add a `local:` prefix")
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}
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u.Scheme = "local"
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u.Config, err = local.ParseConfig("local:" + s)
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if err != nil {
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@ -58,6 +58,14 @@ var parseTests = []struct {
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},
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},
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},
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{
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"/dir1/dir2",
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Location{Scheme: "local",
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Config: local.Config{
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Path: "/dir1/dir2",
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},
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},
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},
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{
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"local:../dir1/dir2",
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Location{Scheme: "local",
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@ -74,7 +82,46 @@ var parseTests = []struct {
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},
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},
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},
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{
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"/dir1:foobar/dir2",
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Location{Scheme: "local",
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Config: local.Config{
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Path: "/dir1:foobar/dir2",
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},
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},
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},
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{
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`\dir1\foobar\dir2`,
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Location{Scheme: "local",
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Config: local.Config{
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Path: `\dir1\foobar\dir2`,
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},
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},
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},
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{
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`c:\dir1\foobar\dir2`,
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Location{Scheme: "local",
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Config: local.Config{
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Path: `c:\dir1\foobar\dir2`,
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},
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},
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},
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{
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`C:\Users\appveyor\AppData\Local\Temp\1\restic-test-879453535\repo`,
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Location{Scheme: "local",
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Config: local.Config{
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Path: `C:\Users\appveyor\AppData\Local\Temp\1\restic-test-879453535\repo`,
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},
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},
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},
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{
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`c:/dir1/foobar/dir2`,
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Location{Scheme: "local",
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Config: local.Config{
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Path: `c:/dir1/foobar/dir2`,
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},
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},
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},
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{
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"sftp:user@host:/srv/repo",
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Location{Scheme: "sftp",
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@ -274,3 +321,19 @@ func TestParse(t *testing.T) {
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})
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}
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}
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func TestInvalidScheme(t *testing.T) {
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var invalidSchemes = []string{
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"foobar:xxx",
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"foobar:/dir/dir2",
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}
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for _, s := range invalidSchemes {
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t.Run(s, func(t *testing.T) {
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_, err := Parse(s)
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if err == nil {
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t.Fatalf("error for invalid location %q not found", s)
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}
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})
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}
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}
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